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azamat
3 years ago
14

Which equation correctly applies the distributive property? ​ 2.4⋅(−3.4)⋅(−1.25)=−3.4⋅2.4⋅(−1.25) ​ ​ −2.5⋅(4⋅3.67)=(−2.5⋅4)⋅3.6

7 ​ ​ (42⋅3.5)+(42⋅1.3)+(42⋅5.2)=42+(3.5+1.3+5.2) ​ ​ −3⋅(6.48)=(−3⋅6)+(−3⋅0.4)+(−3⋅0.08) ​
Mathematics
2 answers:
Genrish500 [490]3 years ago
8 0
The third one........hope this helps
crimeas [40]3 years ago
8 0
The third one is the answer
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Determine the equation of each line
katovenus [111]

Answer:

see explanation

Step-by-step explanation:

the equation of a line in slope- intercept form is

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(a)

here m = - \frac{3}{4} and c = 6, hence

y = - \frac{3}{4} x + 6 ← equation of line

(b)

here m = 6, hence

y = 6x + c ← is the partial equation

to find c substitute (2, - 6 ) into the partial equation

- 6 = 12 + c ⇒ c = - 6 - 12 = - 18

y = 6x - 18 ← equation of line

(c)

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 1, 3) and (x₂, y₂ ) = (4, 7)

m = \frac{7-3}{4+1} = \frac{4}{5}, hence

y = \frac{4}{5} x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (- 1, 3 ), then

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y = \frac{4}{5} x + \frac{19}{5} ← equation of line


3 0
3 years ago
Sam's mother is twice as old as sam, In 12 years, Sam will be as old as his mother was 12 years ago. How old are is sam and his
irinina [24]

Answer:

12 and 24

Step-by-step explanation:

cuz if he's 12 and she's 24 in 12 years he'll be 24

4 0
3 years ago
Read 2 more answers
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seropon [69]

Answer:

Y = 27.

Step-by-step explanation:

40 -  13 = 27. If we check our math 13 +27 does equal 40 making the equation correct.

5 0
3 years ago
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serg [7]

Answer:

part a: 5

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Step-by-step explanation:

part a: if you do the distance formula for points A and B, you get 5

part b: using the distance formula again, points A to B and points A to C are both 5, but points B to C is 6, therefore it's not equilateral because all the sides have to be the same length

6 0
2 years ago
Lulu ate 3/5 of a bag of chips which equaled to 150 calories. How much calories would have lulu ate if she ate the whole bag of
Lerok [7]
C=150•(3/5)•5
C=450

So if she ate the whole bag, she’d eat 450 calories.
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3 years ago
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